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AD7679 Datasheet 18-Bit/ 2.5 LSB INL/ 570 kSPS SAR ADC

Manufacturer: Analog Devices

Download the AD7679 datasheet PDF. This datasheet also includes the AD7 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AD7-678.pdf) that lists specifications for multiple related part numbers.

General Description

The AD7679 is an 18-bit, 570 kSPS, charge redistribution SAR, fully differential analog-to-digital converter that operates on a single 5 V power supply.

The part contains a high speed 18-bit sampling ADC, an internal conversion clock, an internal reference buffer, error correction circuits, and both serial and parallel system interface ports.

The part is available in a 48-lead LQFP or 48-lead LFCSP with operation specified from –40°C to +85°C.

Overview

18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC AD7679.

Key Features

  • 18-bit resolution with no missing codes No pipeline delay (SAR architecture) Differential input range: ±VREF (VREF up to 5 V) Throughput: 570 kSPS INL: ±2.5 LSB max (±9.5 ppm of full scale) Dynamic range : 103 dB typ (VREF = 5 V) S/(N+D): 100 dB typ @ 2 kHz (VREF = 5 V) Parallel (18-,16-, or 8-bit bus) and serial 5 V/3 V interface SPI®/QSPI™/.

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